83667225 has 24 divisors (see below), whose sum is σ = 139276800. Its totient is φ = 44317120.

The previous prime is 83667223. The next prime is 83667229. The reversal of 83667225 is 52276638.

It is not a de Polignac number, because 83667225 - 2¹ = 83667223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83667223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7432 + ... + 14918.

It is an arithmetic number, because the mean of its divisors is an integer number (5803200).

Almost surely, 2^83667225 is an apocalyptic number.

It is an amenable number.

83667225 is a deficient number, since it is larger than the sum of its proper divisors (55609575).

83667225 is a wasteful number, since it uses less digits than its factorization.

83667225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7649 (or 7644 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 83667225 is about 9146.9790094872. The cubic root of 83667225 is about 437.3728174530.

The spelling of 83667225 in words is "eighty-three million, six hundred sixty-seven thousand, two hundred twenty-five".